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HIGH-GAIN RECONFIGURABLE LNA USING OPTIMIZED Q-FACTOR INDUCTOR AND SWITCHED CAPACITOR
- Issue Date
- May-2011
- Publisher
- WILEY
- Keywords
- LNA; Q-factor; reconfigurable; spiral inductor; switched capacitor
- Citation
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.53, no.5, pp.1069 - 1074
- Indexed
- SCIE
SCOPUS
- Journal Title
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
- Volume
- 53
- Number
- 5
- Start Page
- 1069
- End Page
- 1074
- ISSN
- 0895-2477
- Abstract
- This letter presents a band-selectable LNA with high gain and low noise in 0.25-mu m RF CMOS technology. The proposed reconfigurable LNA uses two techniques: optimized spiral inductors and a switched capacitor technique. The gain and noise figure of the LNA are improved by using Q-factor optimized inductors, which are designed with an octagonal shape having a peak Q-factor at desired frequency bands. The high Q-factor of the switched capacitor in parallel configuration at the load also increases the gain of the band-selectable LNA.
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Related Researcher
- Yun, Tae Yeoul
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)